Home / 28,088,511.60-42,132,767.40-7,893,753.60

Finding the Fourth Proportional to 28,088,511.60, 42,132,767.40 and 7,893,753.60

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Solution

The fourth proportional to 28,088,511.60, 42,132,767.40 and 7,893,753.60 is: 11,840,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088,511.60 : 42,132,767.40 = 7,893,753.60 : x
  2. Step 2: Convert to fraction form
    28,088,511.60/42,132,767.40 = 7,893,753.60/x
  3. Step 3: Cross multiply
    28,088,511.60x = 42,132,767.40 × 7,893,753.60
  4. Step 4: Simplify right side
    28,088,511.60x = 332,585,684,341,712.62
  5. Step 5: Solve for x
    x = 332,585,684,341,712.62/28,088,511.60
  6. Step 6: Final answer
    x = 11,840,630.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.